package com.mine.springmvc.run;

// 生产者 ， 消费者 ，产品 缓冲区 管程法
//

//

public class TestPC {
    public static void main(String[] args) {
        SynContainer container = new SynContainer();

        new Productor(container).start();

        new Consumer(container).start();
    }
}

//生产者
class Productor extends Thread{
    SynContainer container;

    public Productor(SynContainer container) {
        this.container = container;
    }

    //生产


    @Override
    public void run() {
        for (int i = 0; i < 100; i++) {
            container.push(new Chicken(i));
            System.out.println("生产了"+i+"只鸡");
        }

    }
}

//消费者
class Consumer  extends Thread{
    SynContainer container;

    public Consumer(SynContainer container) {
        this.container = container;
    }

    @Override
    public void run() {
        for (int i = 0; i < 100; i++) {
            System.out.println("消费了-->编号为"+container.pop().id+"的鸡");
        }
    }
}

//产品
class Chicken{
    int id; // 产品编号

    public Chicken(int id) {
        this.id = id;
    }
}

//缓冲区
class SynContainer{

    //容器大小
    Chicken[] chickens = new Chicken[10];

    int count = 0;

    //生产者放入产品
    public synchronized  void push(Chicken chicken){
        //如果容器满了，就需要等待消费者消费
        if(count == chickens.length){
            //通知消费者消费

            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        //如果没有满，我们就需要丢入产品
        chickens[count] = chicken;
        count++;

        //可以通知消费者
        this.notifyAll();
    }

    public synchronized  Chicken pop(){
        //判断能否消费
        if(count==0){
            //等待生产者生产，消费者
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }

        //如果可以消费
        count--;
        Chicken chicken = chickens[count];

        this.notifyAll();

        return chicken;


    }


}

